| Patents for G05F 1 - Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems (37,749) |
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| 12/11/2008 | US20080303557 Circuits for forming the inputs of a latch |
| 12/11/2008 | US20080303503 Device For Distributed Maximum Power Tracking For Solar Arrays |
| 12/11/2008 | US20080303502 Buck-boost converter |
| 12/11/2008 | US20080303500 Dc-dc converter and control method thereof |
| 12/11/2008 | US20080303499 Control circuit and method for multi-mode buck-boost switching regulator |
| 12/11/2008 | US20080303498 Current Generator |
| 12/11/2008 | US20080303497 Semiconductor integrated circuit device for providing series regulator |
| 12/11/2008 | US20080303496 Low Pass Filter Low Drop-out Voltage Regulator |
| 12/11/2008 | US20080303495 Power supply with a magnetically uncoupled phase and an odd number of magnetically coupled phases, and control for a power supply with magnetically coupled and magnetically uncoupled phases |
| 12/11/2008 | US20080303494 Semiconductor integrated circuit and system |
| 12/11/2008 | US20080303493 Boost regulator startup circuits and methods |
| 12/11/2008 | US20080303492 Method and circuit for reducing regulator output noise |
| 12/11/2008 | US20080303453 Illumination Control Apparatus Using a Pulsating Waves |
| 12/11/2008 | DE112007000429T5 Schaltknotenbasierte, sensorlose Motorregelung für einen PM-Motor Switching node-based, sensorless motor control for PM motor |
| 12/11/2008 | DE102007032178B3 Kraftfahrzeug-Kontrollvorrichtung und zugehöriges Verfahren zur Regelung des elektrischen Stroms eines Aktuators Motor vehicle control device and associated method for controlling the electric current of an actuator |
| 12/11/2008 | DE102007025323A1 Verfahren zur Regelung einer Ausgangsspannung und Spannungsregler Method for regulating an output voltage and voltage regulator |
| 12/11/2008 | DE102006046729B4 Stromversorgungsschaltung mit temperaturabhängigem Ausgangsstrom und Schaltungsanordnung mit einer Stromversorgungschaltung A power supply circuit with a temperature-output current and circuit arrangement with a power supply circuit |
| 12/10/2008 | EP2000876A1 Low heat dissipation I/O module using direct drive buck converter |
| 12/10/2008 | EP1999846A2 Systems and methods for on-chip power management |
| 12/10/2008 | EP1999532A1 Supply circuit with ripple compensation |
| 12/10/2008 | CN201163835Y Improved lamp bulb group brightness control apparatus |
| 12/10/2008 | CN201163829Y Driving circuit of LED lighting lamp |
| 12/10/2008 | CN201163750Y Large range high-precision digital DC power supply |
| 12/10/2008 | CN101322088A Voltage divider, constant voltage circuit using same, and trimming method in the voltage divider circuit |
| 12/10/2008 | CN101320940A Voltage regulating device |
| 12/10/2008 | CN101320913A Power supply apparatus, power supply apparatus control method |
| 12/10/2008 | CN101320278A CMOS reference source |
| 12/10/2008 | CN100442192C Low drop-out voltage regulator and method |
| 12/10/2008 | CN100442191C Capacitively coupled current boost circuitry for integrated voltage regulator |
| 12/10/2008 | CN100442190C Compensation circuit and method for diode voltage drop of power supply output terminal |
| 12/10/2008 | CN100442189C Electric current loop control method and system for power supply device |
| 12/09/2008 | US7463500 Monopolar DC to bipolar DC to AC converter |
| 12/09/2008 | US7463460 Arc quenching device for a solar array |
| 12/09/2008 | US7463082 Light emitting device and current mirror thereof |
| 12/09/2008 | US7463081 Internal voltage generator and internal clock generator including the same, and internal voltage generating method thereof |
| 12/09/2008 | US7463011 Switching regulator with analog or digital control |
| 12/09/2008 | US7463010 Multipoint switch |
| 12/09/2008 | US7462995 Transistorized, voltage-controlled dimming circuit |
| 12/09/2008 | US7462994 LED illumination apparatus |
| 12/09/2008 | US7462993 Dome light |
| 12/04/2008 | WO2008008353B1 Digital pwm controller |
| 12/04/2008 | WO2007140050A3 Floating voltage source |
| 12/04/2008 | US20080297963 Adjustable over current protection circuit with low power loss |
| 12/04/2008 | US20080297238 Current source circuit |
| 12/04/2008 | US20080297236 Semiconductor storage device and semiconductor integrated circuit |
| 12/04/2008 | US20080297235 Method for controlling an output voltage and voltage controller |
| 12/04/2008 | US20080297233 Semiconductor integrated circuit |
| 12/04/2008 | US20080297229 Low power cmos voltage reference circuits |
| 12/04/2008 | US20080297133 Dynamic Voltage Scaling for Packet-Based Data Communication Systems |
| 12/04/2008 | US20080297129 High-voltage power supply apparatus and image forming apparatus employing same |
| 12/04/2008 | US20080297128 Sample and hold scheme for a feedback network of a power converter |
| 12/04/2008 | US20080297126 Combined type transformer and buck-boost circuit using the same |
| 12/04/2008 | US20080297125 Voltage regulator, voltage regulating method thereof and voltage generator using the same |
| 12/04/2008 | US20080297124 Transmission method, apparatus and module |
| 12/04/2008 | US20080297123 Power losses reduction in switching power converters |
| 12/04/2008 | US20080297122 Advanced current-mode control for switched regulators |
| 12/04/2008 | US20080297121 Power supply apparatus, test apparatus, and electronic device |
| 12/04/2008 | US20080297069 Method and Circuit for Driving a Low Voltage Light Emitting Diode |
| 12/04/2008 | DE102007023652A1 Spannungsregler und Verfahren zur Spannungsregelung Voltage regulator and Method for voltage regulation |
| 12/03/2008 | EP1998241A1 Method and apparatus for electrical power conversion |
| 12/03/2008 | EP1997357A2 Ignition and operation of electronic high intensity discharge lamps |
| 12/03/2008 | EP1996990A2 Control system for a transformer or reactor |
| 12/03/2008 | CN201159861Y Summit current type self-flow equalizing voltage-stabilizing circuit |
| 12/03/2008 | CN101317324A Power supply device and light-emitting device and electronic equipment using such power supply device |
| 12/03/2008 | CN101317048A Portable tempering container |
| 12/03/2008 | CN101316467A Duplexed LED point type light source colour lamp signal machine control circuit |
| 12/03/2008 | CN101316070A Method and apparatus to control two regulated outputs of a flyback power supply |
| 12/03/2008 | CN101315566A Reference voltage generator |
| 12/03/2008 | CN100440718C Speed regulating fan system with fault-tolerant capacity |
| 12/03/2008 | CN100440698C Current control apparatus for electric load |
| 12/03/2008 | CN100440683C Battery-operated equipment |
| 12/03/2008 | CN100440376C Internal voltage source generator in semiconductor storage device |
| 12/03/2008 | CN100440098C Single zero compensator |
| 12/03/2008 | CN100440097C Adaptive control loop |
| 12/03/2008 | CN100440096C Switching regulator control circuit, switching regulator and switching regulator control method |
| 12/02/2008 | USRE40593 Multi-phase converter with balanced currents |
| 12/02/2008 | US7460350 Selective potting for controlled failure and electronic devices employing the same |
| 12/02/2008 | US7459961 Voltage supply insensitive bias circuits |
| 12/02/2008 | US7459960 Semiconductor integrated circuit device, and adjustment method of semiconductor integrated circuit device |
| 12/02/2008 | US7459959 Method and apparatus for driving LED's |
| 12/02/2008 | US7459894 Driver with control interface facilitating use of the driver with varied DC-to-DC converter circuits |
| 12/02/2008 | US7459893 Optimal feedback control of switch-mode power converters |
| 12/02/2008 | US7459892 System and method for controlling a point-of-load regulator |
| 12/02/2008 | US7459891 Soft-start circuit and method for low-dropout voltage regulators |
| 12/02/2008 | US7459888 System and method for precharging and discharging a high power ultracapacitor pack |
| 12/02/2008 | US7459867 Program start ballast |
| 12/02/2008 | US7459865 Cold cathode tube lighting device, tube current detecting circuit used in cold cathode tube lighting device, tube current controlling method and integrated circuit |
| 12/02/2008 | CA2455015C Circuit and method for providing an auto-off capability for a wireless transmitter |
| 11/27/2008 | US20080292344 Drive circuit, light emitting diode head, and image forming apparatus |
| 11/27/2008 | US20080291738 Methods and circuits for generating a high voltage and related semiconductor memory devices |
| 11/27/2008 | US20080290946 Semiconductor integrated circuit device |
| 11/27/2008 | US20080290935 Apparatus and method for preventing current leakage when a low voltage domain is powered down |
| 11/27/2008 | US20080290934 Reference buffer circuits |
| 11/27/2008 | US20080290932 Semiconductor integrated circuit device |
| 11/27/2008 | US20080290931 Charge pump systems and methods |
| 11/27/2008 | US20080290854 Switching regulator having reverse current detector |
| 11/27/2008 | US20080290853 Semiconductor element drive circuit |
| 11/27/2008 | US20080290852 Power supply circuit and semiconductor memory |
| 11/27/2008 | US20080290851 Power supply |
| 11/27/2008 | US20080290850 Switch control device, switch control method, and converter using the same |